Actinopterygii (ray-finned fishes) > Beloniformes
(Needle fishes) > Belonidae
Etymology: Tylosurus: Greek, tylos = callus + Greek, oura = tail (Ref. 45335).
Environment / Climate / Range
Marine; pelagic-oceanic. Tropical; 32°N - 4°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 134 cm TL male/unsexed; (Ref. 40637); common length : 80.0 cm SL male/unsexed; (Ref. 9279); max. published weight: 9.9 kg (Ref. 40637)
Eastern Central Pacific: Gulf of California to Panama, including Cocos Island.
Generally found in coastal waters, but may also be found offshore (Ref. 9279). Feeds mainly on small fishes (Ref. 9279). Oviparous (Ref. 205). Eggs may be found attached to objects in the water by tendrils on the egg's surface (Ref. 205). Marketed fresh and salted (Ref. 9279).
Collette, B.B., 1995. Belonidae. Agujones, maraos. p. 919-926. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome.
IUCN Red List Status (Ref. 90363)
Threat to humans
Traumatogenic (Ref. 9279)
Fisheries: commercial; gamefish: yes
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00000 (0.00000 - 0.00000), b=0.00 (0.00 - 0.00), based on (Ref. 93245
Trophic Level (Ref. 69278
): 4.5 ±0.80 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (55 of 100) .